This white, square pill imprinted with 93 5171 is a Alendronic acid 70 MG Oral Tablet, per the NIH.
Alendronate Sodium is a human prescription drug. The active pharmaceutical ingredient is alendronate sodium and is classified as, "Bisphosphonate [EPC], Diphosphonates [Chemical/Ingredient]."
This pill is made by a total of 2 firms: (1) Teva Pharmaceuticals USA Inc, and (2) Physicians Total Care, Inc..
There is 1 other white pill that with a similar imprint: "93 5171". They may be a different dosage of the same drug or a different drug entirely.